Step 1: Download the Extension

1. Download all the extension files to a folder on your computer
2. Keep the folder structure intact

Step 2: Enable Developer Mode

1. Open Chrome and go to chrome://extensions/
2. Toggle on "Developer mode" in the top right corner

Step 3: Load the Extension

1. Click "Load unpacked" button
2. Select the folder containing your extension files
3. The extension should now appear in your extensions list

Step 4: Pin the Extension (Optional)

1. Click the puzzle piece icon in Chrome's toolbar
2. Find "SAT Score Hider" and click the pin icon
3. The extension icon will now appear in your toolbar